Individual Calculations February 2018
 Bakker, Jeroen  Total change: 2.80  Rating chartPersonal card
 Tata Steel Tienkampen 2018 Wijk aan Zee NED 2018-01-19
RcRownchangeKK*chgGame
 1983 1968 3.50 7 0.14 20 2.80 
  Ercan, Selman 1970 NED1.0010.502010.00 
  Straathof, Dick 1910 NED0.001-0.5820-11.60 
  Perez Garcia, Hebert 2090 NED0.5010.17203.40 
  Rakhorst, Wim 1947 NED1.0010.47209.40 
  Feltman, Bart 1944 NED0.501-0.0320-0.60 
  Slisser, Theo 1991 NED0.5010.03200.60 
  Smit, Frans 2028 NED0.001-0.4220-8.40 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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